This code list is maintained
by RNODC-FORMATS (ICES). New codes are allocated on request, and is done in
consultation with NODC (USA) and ISO Country Code Table 3166. Whenever possible
the ISO code is adopted.

ISO codes are updated by
the RIPE Network Coordination Centre, in coordination with the ISO 3166 Maintenance
Agency at DIN Berlin.

IOC original code was
BN, Recoded to avoid conflict with NODC code for Bonaire

IOC original code was
BR. NODC code BA adopted.

IOC original code was
21. NODC code 76 adopted because of confusion with NODC code for Taiwan (21).